Home / 13,110,012,425.20-19,665,018,637.80-12,892,334,191.60

Finding the Fourth Proportional to 13,110,012,425.20, 19,665,018,637.80 and 12,892,334,191.60

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Solution

The fourth proportional to 13,110,012,425.20, 19,665,018,637.80 and 12,892,334,191.60 is: 19,338,501,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,012,425.20 : 19,665,018,637.80 = 12,892,334,191.60 : x
  2. Step 2: Convert to fraction form
    13,110,012,425.20/19,665,018,637.80 = 12,892,334,191.60/x
  3. Step 3: Cross multiply
    13,110,012,425.20x = 19,665,018,637.80 × 12,892,334,191.60
  4. Step 4: Simplify right side
    13,110,012,425.20x = 253,527,992,162,560,180,224
  5. Step 5: Solve for x
    x = 253,527,992,162,560,180,224/13,110,012,425.20
  6. Step 6: Final answer
    x = 19,338,501,287.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.